split _known_hosts into _kwnown_hosts and _known_hosts_real, instead of using an option to set current word

bash_completion

@@ -2703,29 +2703,32 @@ shopt -u hostcomplete && complete -F _user_at_host $nospace talk ytalk finger
 #             -F configfile  Use `configfile' for configuration settings
 #             -h host	     Complete on given host
 _known_hosts()
+{
+	local cur
+
+	COMPREPLY=()
+	cur=`_get_cword`
+
+	_known_hosts_real $@
+}
+
+_known_hosts_real()
 {
 	local configfile
-	local cur curd ocur user suffix aliases global_kh user_kh hosts i host
+	local curd ocur user suffix aliases global_kh user_kh hosts i host
 	local -a kh khd config
 	local IFS=$'\n'
 
 	local OPTIND=1
-	local cur_set=0
-	while getopts "acF:h:" flag "$@"; do
+	while getopts "acF:" flag "$@"; do
 		case $flag in
 			a) aliases='yes' ;;
 			c) suffix=':' ;;
 			F) configfile="$OPTARG" ;;
-			h) cur="$OPTARG"; cur_set=1 ;;
 		esac
 	done
 
-	COMPREPLY=()
-	if [ $cur_set = 0 ]; then
-		cur=`_get_cword`
-	fi
 	ocur=$cur
-
     
 	[[ $cur == *@* ]] && user=${cur%@*}@ && cur=${cur#*@}
 	kh=()

contrib/ssh

@@ -95,7 +95,7 @@ _ssh()
 				fi
 				shift
 			done
-			_known_hosts -a "$optconfigfile"
+			_known_hosts_real -a "$optconfigfile"
 		else
 			COMPREPLY=( "${COMPREPLY[@]}" $( compgen -c -- $cur ) )
 		fi
@@ -145,7 +145,7 @@ _sftp()
 			fi
 			shift
 		done
-		_known_hosts -a "$optconfigfile"
+		_known_hosts_real -a "$optconfigfile"
 	fi
 
 	return 0
@@ -201,7 +201,7 @@ _scp()
 		shift
 	done
 
-	[[ "$cur" == */* ]] || _known_hosts -c -a "$optconfigfile"
+	[[ "$cur" == */* ]] || _known_hosts_real -c -a "$optconfigfile"
 
 	# This approach is used instead of _filedir to get a space appended
 	# after local file/dir completions, and $nospace retained for others.
@@ -234,7 +234,7 @@ _ssh_copy_id() {
 	if [[ "$cur" == -* ]]; then
 		COMPREPLY=( $( compgen -W '-i' -- $cur ) )
 	else
-		_known_hosts -a
+		_known_hosts_real -a
 	fi
 
 	return 0

contrib/xhost

@@ -12,20 +12,20 @@ _xhost ()
 	case "$cur" in
 		+*)
 			cur=${cur:1}
-			_known_hosts -h "$cur"
+			_known_hosts_real
 			for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do
 				COMPREPLY[i]=+${COMPREPLY[i]}
 			done
 			;;
 		-*)
 			cur=${cur:1}
-			_known_hosts -h "$cur"
+			_known_hosts_real
 			for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do
 				COMPREPLY[i]=-${COMPREPLY[i]}
 			done
 			;;
 		*)
-			_known_hosts -h "$cur"
+			_known_hosts_real
 			;;
 	esac